Home » Mechanical Parts & Spares » MS Fasteners » ASTM A453 Gr.660 Heavy Hex Nut 1.7/8
ASTM A453 Gr.660 Heavy Hex Nut 1.7/8
₹ 1,760 Get Latest Price
Product Specifications
| Brand | Raj |
| Size | 1.7/8" |
| Material | ASTM A453 GRADE 660 CLASS A B C D |
| Nut Type | Drilling |
| Shape | Hexagonal |
| Availability | In Stock |
| Brand | RAJ |
| Country of Origin | Made in India |
GST No - 27AARCA3096L1Z0 | Member since 2026
G6-A, Unit No. 10, Sagar Industrial Estate, Dhumal Nagar Waliv, District Thane Vasai - 401208, Maharashtra, India
ASTM A453 Gr.660 Heavy Hex Nut 1.7/8 Read More...
Product Details
ASTM A453 Grade 660 Nuts and Bolts – Chemical &Mechanical Properties, Applications, andDescriptionProduct Description:ASTM A453 Grade 660 nuts and bolts are high-temperature, high-strength fasteners manufacturedfrom austenitic stainless steel. Primarily used in pressure vessels, turbine engines, and heatexchangers, these fasteners are designed for high stress and elevated temperature environmentsup to 1000°F (538°C). They are categorized into four classes (A, B, C, and D) based on tensilestrength requirements after solution annealing and aging treatment.Chemical Composition (%):Element Content (%)Chromium (Cr) 24.0 – 27.0Nickel (Ni) 13.5 – 16.0Molybdenum (Mo) 1.0 – 1.5Titanium (Ti) 0.10 – 0.50Carbon (C) £ 0.10Manganese (Mn) £ 2.0Silicon (Si) £ 1.0Phosphorus (P) £ 0.04Sulfur (S) £ 0.03Iron (Fe) BalanceMechanical Properties:Class Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HRB)Class A 760 min 450 min 30 min £ 100Class B 850 min 585 min 25 min £ 100Class C 960 min 690 min 20 min £ 100Class D 1040 min 830 min 15 min £ 100Applications:- Steam and Gas Turbines – Withstand extreme heat and pressure- Nuclear Power Plants – Approved for high-radiation environments- Heat Exchangers – Reliable in thermal cycles- Aerospace Engines – High strength-to-weight ratio- Petrochemical Refineries – Excellent oxidation resistance- Pressure Vessels – Long-term mechanical reliability- Flanges and Piping Assemblies – Stable at elevated temperaturesFocus Keywords:ASTM A453 Grade 660 fasteners, Grade 660 stainless steel bolts, High temperature nuts and bolts,A453 Class A B C D nuts, Turbine engine fasteners, High tensile bolts India, Heat resistantfastenersSEO Meta Description:Buy ASTM A453 Grade 660 stainless steel nuts and bolts for high-temperature and high-stressapplications in turbines and reactors. Available in all classes A–D.Hashtags:#ASTMA453 #Grade660 #HighTempFasteners #StainlessSteelBolts #TurbineFasteners#NuclearFasteners #HeatResistantBolts #EngineeringMaterials #IndustrialFasteners#AerospaceBolts #AanurajFasteners #MadeInIndia
G6-A, Unit No. 10, Sagar Industrial Estate, Dhumal Nagar Waliv, District Thane Vasai - 401208, Maharashtra, India
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